Alan Turing — "The question is not whether machines can think, but whether they can do somethin…"
The question is not whether machines can think, but whether they can do something that we would call thinking.
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More from Alan Turing
"We are not interested in the fact that the brain has the consistency of cold porridge."
"The human mind is a very powerful computer."
"I am not afraid of computers. I am afraid of the people who program them."
"The computer is a tool that can be used to extend the human mind."
"Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity. The activity of the intuition consists in mak…"
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Understanding this quote
What it means
The real debate isn't about defining machine consciousness in abstract terms — it's about observable behavior. If a machine produces outputs indistinguishable from human reasoning, the philosophical label matters less than the practical reality. Intelligence should be judged by what something does, not by what it's made of or whether it experiences anything internally.
Relevance to Alan Turing
Turing spent his career building machines that performed tasks previously requiring human minds — cracking Enigma at Bletchley Park, designing early computers. His 1950 Turing Test reframed AI around behavioral imitation rather than inner experience. A pragmatist by nature, he consistently asked what machines could demonstrably accomplish rather than debating metaphysics.
The era
In the late 1940s and early 1950s, computing was brand new and widely dismissed as mere calculation. Turing published 'Computing Machinery and Intelligence' in 1950, amid Cold War pressure to harness technology and deep philosophical skepticism about machine minds. His framing challenged both scientists and philosophers to move past definitional arguments toward empirical tests.
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